Potato (Solanum tuberosum L.) belongs to the family Solanaceae is used as the most important food for a large number of people in the world. It is the most important non-cereal food crop and ranks fourth in terms of total global food production after maize, wheat and rice [1]. It is one of the important vegetables as well as cash crop in Bangladesh which achived 11th position in the world in terms of potato production in 2008 [2]. Owing to promotional effort of government it is being placed as a third crop next to rice and wheat [3] [4]. It is a staple food in the developed countries and which accounts for 37% of the total potato production in the world [5]. Considering the trend of population growth and consequently the increased demand for food in the country and dwindling cultivable land area, the potato is likely to play a very important role in the future. Potato is a
popular and important vegetable in Bangladesh. For the whole year, it is used as main vegetable and also represents about 53% of the total edible vegetables.